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Finding the Third Proportional to 143,552,913 and 314,897,980

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Solution

The third proportional to 143,552,913 and 314,897,980 is: 690,760,889.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,552,913 : 314,897,980 = 314,897,980 : x
  2. Step 2: Convert to fraction form
    143,552,913/314,897,980 = 314,897,980/x
  3. Step 3: Cross multiply
    143,552,913x = 314,897,980 × 314,897,980
  4. Step 4: Simplify right side
    143,552,913x = 99,160,737,808,080,400
  5. Step 5: Solve for x
    x = 99,160,737,808,080,400/143,552,913
  6. Step 6: Final answer
    x = 690,760,889.04

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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.