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Finding the Third Proportional to 58,307,380 and 127,564,920

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Solution

The third proportional to 58,307,380 and 127,564,920 is: 279,086,606.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,307,380 : 127,564,920 = 127,564,920 : x
  2. Step 2: Convert to fraction form
    58,307,380/127,564,920 = 127,564,920/x
  3. Step 3: Cross multiply
    58,307,380x = 127,564,920 × 127,564,920
  4. Step 4: Simplify right side
    58,307,380x = 16,272,808,814,606,400
  5. Step 5: Solve for x
    x = 16,272,808,814,606,400/58,307,380
  6. Step 6: Final answer
    x = 279,086,606.44

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.