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Finding the Third Proportional to 61,755,410 and 90,836,858

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Solution

The third proportional to 61,755,410 and 90,836,858 is: 133,613,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,755,410 : 90,836,858 = 90,836,858 : x
  2. Step 2: Convert to fraction form
    61,755,410/90,836,858 = 90,836,858/x
  3. Step 3: Cross multiply
    61,755,410x = 90,836,858 × 90,836,858
  4. Step 4: Simplify right side
    61,755,410x = 8,251,334,771,312,164
  5. Step 5: Solve for x
    x = 8,251,334,771,312,164/61,755,410
  6. Step 6: Final answer
    x = 133,613,148.57

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.