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Finding the Third Proportional to 89,381,276 and 136,670,070

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Solution

The third proportional to 89,381,276 and 136,670,070 is: 208,977,862.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,381,276 : 136,670,070 = 136,670,070 : x
  2. Step 2: Convert to fraction form
    89,381,276/136,670,070 = 136,670,070/x
  3. Step 3: Cross multiply
    89,381,276x = 136,670,070 × 136,670,070
  4. Step 4: Simplify right side
    89,381,276x = 18,678,708,033,804,900
  5. Step 5: Solve for x
    x = 18,678,708,033,804,900/89,381,276
  6. Step 6: Final answer
    x = 208,977,862.81

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.