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Finding the Third Proportional to 136,213,656 and 211,497,730

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Solution

The third proportional to 136,213,656 and 211,497,730 is: 328,390,640.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,213,656 : 211,497,730 = 211,497,730 : x
  2. Step 2: Convert to fraction form
    136,213,656/211,497,730 = 211,497,730/x
  3. Step 3: Cross multiply
    136,213,656x = 211,497,730 × 211,497,730
  4. Step 4: Simplify right side
    136,213,656x = 44,731,289,795,152,896
  5. Step 5: Solve for x
    x = 44,731,289,795,152,896/136,213,656
  6. Step 6: Final answer
    x = 328,390,640.91

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.