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Finding the Third Proportional to 61,703,120 and 90,283,340

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Solution

The third proportional to 61,703,120 and 90,283,340 is: 132,101,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,703,120 : 90,283,340 = 90,283,340 : x
  2. Step 2: Convert to fraction form
    61,703,120/90,283,340 = 90,283,340/x
  3. Step 3: Cross multiply
    61,703,120x = 90,283,340 × 90,283,340
  4. Step 4: Simplify right side
    61,703,120x = 8,151,081,481,555,600
  5. Step 5: Solve for x
    x = 8,151,081,481,555,600/61,703,120
  6. Step 6: Final answer
    x = 132,101,609.80

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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.