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Finding the Third Proportional to 143,150,988 and 220,306,776

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Solution

The third proportional to 143,150,988 and 220,306,776 is: 339,048,135.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,150,988 : 220,306,776 = 220,306,776 : x
  2. Step 2: Convert to fraction form
    143,150,988/220,306,776 = 220,306,776/x
  3. Step 3: Cross multiply
    143,150,988x = 220,306,776 × 220,306,776
  4. Step 4: Simplify right side
    143,150,988x = 48,535,075,551,514,176
  5. Step 5: Solve for x
    x = 48,535,075,551,514,176/143,150,988
  6. Step 6: Final answer
    x = 339,048,135.33

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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.