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Finding the Third Proportional to 15,744,490 and 25,709,334

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Solution

The third proportional to 15,744,490 and 25,709,334 is: 41,981,026.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,744,490 : 25,709,334 = 25,709,334 : x
  2. Step 2: Convert to fraction form
    15,744,490/25,709,334 = 25,709,334/x
  3. Step 3: Cross multiply
    15,744,490x = 25,709,334 × 25,709,334
  4. Step 4: Simplify right side
    15,744,490x = 660,969,854,723,556
  5. Step 5: Solve for x
    x = 660,969,854,723,556/15,744,490
  6. Step 6: Final answer
    x = 41,981,026.68

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.