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Finding the Third Proportional to 61,040 and 88,776

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Solution

The third proportional to 61,040 and 88,776 is: 129,114.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,040 : 88,776 = 88,776 : x
  2. Step 2: Convert to fraction form
    61,040/88,776 = 88,776/x
  3. Step 3: Cross multiply
    61,040x = 88,776 × 88,776
  4. Step 4: Simplify right side
    61,040x = 7,881,178,176
  5. Step 5: Solve for x
    x = 7,881,178,176/61,040
  6. Step 6: Final answer
    x = 129,114.98

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.