Home / 143,343,948.38-221,353,003.13

Finding the Third Proportional to 143,343,948.38 and 221,353,003.13

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Solution

The third proportional to 143,343,948.38 and 221,353,003.13 is: 341,815,280.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,343,948.38 : 221,353,003.13 = 221,353,003.13 : x
  2. Step 2: Convert to fraction form
    143,343,948.38/221,353,003.13 = 221,353,003.13/x
  3. Step 3: Cross multiply
    143,343,948.38x = 221,353,003.13 × 221,353,003.13
  4. Step 4: Simplify right side
    143,343,948.38x = 48,997,151,992,456,256
  5. Step 5: Solve for x
    x = 48,997,151,992,456,256/143,343,948.38
  6. Step 6: Final answer
    x = 341,815,280.99

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.