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Finding the Third Proportional to 142,279,732 and 306,130,088

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Solution

The third proportional to 142,279,732 and 306,130,088 is: 658,671,684.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,279,732 : 306,130,088 = 306,130,088 : x
  2. Step 2: Convert to fraction form
    142,279,732/306,130,088 = 306,130,088/x
  3. Step 3: Cross multiply
    142,279,732x = 306,130,088 × 306,130,088
  4. Step 4: Simplify right side
    142,279,732x = 93,715,630,778,887,744
  5. Step 5: Solve for x
    x = 93,715,630,778,887,744/142,279,732
  6. Step 6: Final answer
    x = 658,671,684.73

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.