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Finding the Third Proportional to 813,644,515.13 and 1,765,995,130.13

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Solution

The third proportional to 813,644,515.13 and 1,765,995,130.13 is: 3,833,048,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,644,515.13 : 1,765,995,130.13 = 1,765,995,130.13 : x
  2. Step 2: Convert to fraction form
    813,644,515.13/1,765,995,130.13 = 1,765,995,130.13/x
  3. Step 3: Cross multiply
    813,644,515.13x = 1,765,995,130.13 × 1,765,995,130.13
  4. Step 4: Simplify right side
    813,644,515.13x = 3,118,738,799,625,215,488
  5. Step 5: Solve for x
    x = 3,118,738,799,625,215,488/813,644,515.13
  6. Step 6: Final answer
    x = 3,833,048,391.10

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.