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Finding the Third Proportional to 1,615,310,610 and 3,513,638,461

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Solution

The third proportional to 1,615,310,610 and 3,513,638,461 is: 7,642,898,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,310,610 : 3,513,638,461 = 3,513,638,461 : x
  2. Step 2: Convert to fraction form
    1,615,310,610/3,513,638,461 = 3,513,638,461/x
  3. Step 3: Cross multiply
    1,615,310,610x = 3,513,638,461 × 3,513,638,461
  4. Step 4: Simplify right side
    1,615,310,610x = 12,345,655,234,618,447,872
  5. Step 5: Solve for x
    x = 12,345,655,234,618,447,872/1,615,310,610
  6. Step 6: Final answer
    x = 7,642,898,621.60

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.