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Finding the Third Proportional to 55,316,320 and 81,180,536

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Solution

The third proportional to 55,316,320 and 81,180,536 is: 119,138,066.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316,320 : 81,180,536 = 81,180,536 : x
  2. Step 2: Convert to fraction form
    55,316,320/81,180,536 = 81,180,536/x
  3. Step 3: Cross multiply
    55,316,320x = 81,180,536 × 81,180,536
  4. Step 4: Simplify right side
    55,316,320x = 6,590,279,425,247,296
  5. Step 5: Solve for x
    x = 6,590,279,425,247,296/55,316,320
  6. Step 6: Final answer
    x = 119,138,066.76

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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.