Home / 218,739,252.38-319,804,427.25

Finding the Third Proportional to 218,739,252.38 and 319,804,427.25

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Solution

The third proportional to 218,739,252.38 and 319,804,427.25 is: 467,565,242.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,739,252.38 : 319,804,427.25 = 319,804,427.25 : x
  2. Step 2: Convert to fraction form
    218,739,252.38/319,804,427.25 = 319,804,427.25/x
  3. Step 3: Cross multiply
    218,739,252.38x = 319,804,427.25 × 319,804,427.25
  4. Step 4: Simplify right side
    218,739,252.38x = 102,274,871,688,700,544
  5. Step 5: Solve for x
    x = 102,274,871,688,700,544/218,739,252.38
  6. Step 6: Final answer
    x = 467,565,242.99

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.