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Finding the Third Proportional to 15,482,907 and 21,655,012.50

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Solution

The third proportional to 15,482,907 and 21,655,012.50 is: 30,287,565.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,482,907 : 21,655,012.50 = 21,655,012.50 : x
  2. Step 2: Convert to fraction form
    15,482,907/21,655,012.50 = 21,655,012.50/x
  3. Step 3: Cross multiply
    15,482,907x = 21,655,012.50 × 21,655,012.50
  4. Step 4: Simplify right side
    15,482,907x = 468,939,566,375,156.25
  5. Step 5: Solve for x
    x = 468,939,566,375,156.25/15,482,907
  6. Step 6: Final answer
    x = 30,287,565.92

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.