Home / 127,376,074.13-278,600,578.31

Finding the Third Proportional to 127,376,074.13 and 278,600,578.31

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Solution

The third proportional to 127,376,074.13 and 278,600,578.31 is: 609,363,122.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,376,074.13 : 278,600,578.31 = 278,600,578.31 : x
  2. Step 2: Convert to fraction form
    127,376,074.13/278,600,578.31 = 278,600,578.31/x
  3. Step 3: Cross multiply
    127,376,074.13x = 278,600,578.31 × 278,600,578.31
  4. Step 4: Simplify right side
    127,376,074.13x = 77,618,282,236,059,440
  5. Step 5: Solve for x
    x = 77,618,282,236,059,440/127,376,074.13
  6. Step 6: Final answer
    x = 609,363,122.31

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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.