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Finding the Third Proportional to 66,887,654 and 102,330,585

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Solution

The third proportional to 66,887,654 and 102,330,585 is: 156,554,281.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,887,654 : 102,330,585 = 102,330,585 : x
  2. Step 2: Convert to fraction form
    66,887,654/102,330,585 = 102,330,585/x
  3. Step 3: Cross multiply
    66,887,654x = 102,330,585 × 102,330,585
  4. Step 4: Simplify right side
    66,887,654x = 10,471,548,626,442,224
  5. Step 5: Solve for x
    x = 10,471,548,626,442,224/66,887,654
  6. Step 6: Final answer
    x = 156,554,281.70

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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.