Home / 89,850,736.50-128,398,781.25

Finding the Third Proportional to 89,850,736.50 and 128,398,781.25

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Solution

The third proportional to 89,850,736.50 and 128,398,781.25 is: 183,484,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,850,736.50 : 128,398,781.25 = 128,398,781.25 : x
  2. Step 2: Convert to fraction form
    89,850,736.50/128,398,781.25 = 128,398,781.25/x
  3. Step 3: Cross multiply
    89,850,736.50x = 128,398,781.25 × 128,398,781.25
  4. Step 4: Simplify right side
    89,850,736.50x = 16,486,247,026,485,352
  5. Step 5: Solve for x
    x = 16,486,247,026,485,352/89,850,736.50
  6. Step 6: Final answer
    x = 183,484,829.05

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.