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Finding the Third Proportional to 4,878,481 and 7,142,761.50

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Solution

The third proportional to 4,878,481 and 7,142,761.50 is: 10,457,976.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878,481 : 7,142,761.50 = 7,142,761.50 : x
  2. Step 2: Convert to fraction form
    4,878,481/7,142,761.50 = 7,142,761.50/x
  3. Step 3: Cross multiply
    4,878,481x = 7,142,761.50 × 7,142,761.50
  4. Step 4: Simplify right side
    4,878,481x = 51,019,041,845,882.25
  5. Step 5: Solve for x
    x = 51,019,041,845,882.25/4,878,481
  6. Step 6: Final answer
    x = 10,457,976.95

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.