Home / 143,553,427.88-314,896,821.75

Finding the Third Proportional to 143,553,427.88 and 314,896,821.75

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Solution

The third proportional to 143,553,427.88 and 314,896,821.75 is: 690,753,330.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,553,427.88 : 314,896,821.75 = 314,896,821.75 : x
  2. Step 2: Convert to fraction form
    143,553,427.88/314,896,821.75 = 314,896,821.75/x
  3. Step 3: Cross multiply
    143,553,427.88x = 314,896,821.75 × 314,896,821.75
  4. Step 4: Simplify right side
    143,553,427.88x = 99,160,008,348,251,280
  5. Step 5: Solve for x
    x = 99,160,008,348,251,280/143,553,427.88
  6. Step 6: Final answer
    x = 690,753,330.07

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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.