Home / 143,278,429.50-306,990,339.75

Finding the Third Proportional to 143,278,429.50 and 306,990,339.75

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Solution

The third proportional to 143,278,429.50 and 306,990,339.75 is: 657,761,737.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,278,429.50 : 306,990,339.75 = 306,990,339.75 : x
  2. Step 2: Convert to fraction form
    143,278,429.50/306,990,339.75 = 306,990,339.75/x
  3. Step 3: Cross multiply
    143,278,429.50x = 306,990,339.75 × 306,990,339.75
  4. Step 4: Simplify right side
    143,278,429.50x = 94,243,068,699,820,432
  5. Step 5: Solve for x
    x = 94,243,068,699,820,432/143,278,429.50
  6. Step 6: Final answer
    x = 657,761,737.26

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.