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Finding the Third Proportional to 76,153,680 and 116,016,078

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Solution

The third proportional to 76,153,680 and 116,016,078 is: 176,744,319.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,153,680 : 116,016,078 = 116,016,078 : x
  2. Step 2: Convert to fraction form
    76,153,680/116,016,078 = 116,016,078/x
  3. Step 3: Cross multiply
    76,153,680x = 116,016,078 × 116,016,078
  4. Step 4: Simplify right side
    76,153,680x = 13,459,730,354,502,084
  5. Step 5: Solve for x
    x = 13,459,730,354,502,084/76,153,680
  6. Step 6: Final answer
    x = 176,744,319.57

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.