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Finding the Third Proportional to 77,574,267 and 115,688,695.50

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Solution

The third proportional to 77,574,267 and 115,688,695.50 is: 172,529,819.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,574,267 : 115,688,695.50 = 115,688,695.50 : x
  2. Step 2: Convert to fraction form
    77,574,267/115,688,695.50 = 115,688,695.50/x
  3. Step 3: Cross multiply
    77,574,267x = 115,688,695.50 × 115,688,695.50
  4. Step 4: Simplify right side
    77,574,267x = 13,383,874,266,491,720
  5. Step 5: Solve for x
    x = 13,383,874,266,491,720/77,574,267
  6. Step 6: Final answer
    x = 172,529,819.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.