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Finding the Third Proportional to 66,656,836 and 103,882,374

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Solution

The third proportional to 66,656,836 and 103,882,374 is: 161,897,087.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,656,836 : 103,882,374 = 103,882,374 : x
  2. Step 2: Convert to fraction form
    66,656,836/103,882,374 = 103,882,374/x
  3. Step 3: Cross multiply
    66,656,836x = 103,882,374 × 103,882,374
  4. Step 4: Simplify right side
    66,656,836x = 10,791,547,627,875,876
  5. Step 5: Solve for x
    x = 10,791,547,627,875,876/66,656,836
  6. Step 6: Final answer
    x = 161,897,087.76

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.