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Finding the Third Proportional to 1,098,643.50 and 2,406,763.13

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Solution

The third proportional to 1,098,643.50 and 2,406,763.13 is: 5,272,418.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,643.50 : 2,406,763.13 = 2,406,763.13 : x
  2. Step 2: Convert to fraction form
    1,098,643.50/2,406,763.13 = 2,406,763.13/x
  3. Step 3: Cross multiply
    1,098,643.50x = 2,406,763.13 × 2,406,763.13
  4. Step 4: Simplify right side
    1,098,643.50x = 5,792,508,739,859.77
  5. Step 5: Solve for x
    x = 5,792,508,739,859.77/1,098,643.50
  6. Step 6: Final answer
    x = 5,272,418.89

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.