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Finding the Third Proportional to 15,216,981 and 30,965,403

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Solution

The third proportional to 15,216,981 and 30,965,403 is: 63,012,248.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,216,981 : 30,965,403 = 30,965,403 : x
  2. Step 2: Convert to fraction form
    15,216,981/30,965,403 = 30,965,403/x
  3. Step 3: Cross multiply
    15,216,981x = 30,965,403 × 30,965,403
  4. Step 4: Simplify right side
    15,216,981x = 958,856,182,952,409
  5. Step 5: Solve for x
    x = 958,856,182,952,409/15,216,981
  6. Step 6: Final answer
    x = 63,012,248.16

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.