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Finding the Third Proportional to 428,301,791 and 577,879,673

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Solution

The third proportional to 428,301,791 and 577,879,673 is: 779,695,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,301,791 : 577,879,673 = 577,879,673 : x
  2. Step 2: Convert to fraction form
    428,301,791/577,879,673 = 577,879,673/x
  3. Step 3: Cross multiply
    428,301,791x = 577,879,673 × 577,879,673
  4. Step 4: Simplify right side
    428,301,791x = 333,944,916,466,586,944
  5. Step 5: Solve for x
    x = 333,944,916,466,586,944/428,301,791
  6. Step 6: Final answer
    x = 779,695,353.80

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.