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Finding the Third Proportional to 58,689,292 and 128,715,992

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Solution

The third proportional to 58,689,292 and 128,715,992 is: 282,296,923.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,689,292 : 128,715,992 = 128,715,992 : x
  2. Step 2: Convert to fraction form
    58,689,292/128,715,992 = 128,715,992/x
  3. Step 3: Cross multiply
    58,689,292x = 128,715,992 × 128,715,992
  4. Step 4: Simplify right side
    58,689,292x = 16,567,806,596,544,064
  5. Step 5: Solve for x
    x = 16,567,806,596,544,064/58,689,292
  6. Step 6: Final answer
    x = 282,296,923.88

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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.