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Finding the Third Proportional to 12,559,620 and 19,920,294

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Solution

The third proportional to 12,559,620 and 19,920,294 is: 31,594,754.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559,620 : 19,920,294 = 19,920,294 : x
  2. Step 2: Convert to fraction form
    12,559,620/19,920,294 = 19,920,294/x
  3. Step 3: Cross multiply
    12,559,620x = 19,920,294 × 19,920,294
  4. Step 4: Simplify right side
    12,559,620x = 396,818,113,046,436
  5. Step 5: Solve for x
    x = 396,818,113,046,436/12,559,620
  6. Step 6: Final answer
    x = 31,594,754.70

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.