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Finding the Third Proportional to 141,437,672 and 211,285,443

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Solution

The third proportional to 141,437,672 and 211,285,443 is: 315,626,931.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,437,672 : 211,285,443 = 211,285,443 : x
  2. Step 2: Convert to fraction form
    141,437,672/211,285,443 = 211,285,443/x
  3. Step 3: Cross multiply
    141,437,672x = 211,285,443 × 211,285,443
  4. Step 4: Simplify right side
    141,437,672x = 44,641,538,423,706,248
  5. Step 5: Solve for x
    x = 44,641,538,423,706,248/141,437,672
  6. Step 6: Final answer
    x = 315,626,931.58

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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.