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Finding the Third Proportional to 143,317,755 and 216,164,416.50

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Solution

The third proportional to 143,317,755 and 216,164,416.50 is: 326,038,144.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,317,755 : 216,164,416.50 = 216,164,416.50 : x
  2. Step 2: Convert to fraction form
    143,317,755/216,164,416.50 = 216,164,416.50/x
  3. Step 3: Cross multiply
    143,317,755x = 216,164,416.50 × 216,164,416.50
  4. Step 4: Simplify right side
    143,317,755x = 46,727,054,960,785,472
  5. Step 5: Solve for x
    x = 46,727,054,960,785,472/143,317,755
  6. Step 6: Final answer
    x = 326,038,144.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.