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Finding the Third Proportional to 487,244,664 and 799,865,820

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Solution

The third proportional to 487,244,664 and 799,865,820 is: 1,313,067,904.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,244,664 : 799,865,820 = 799,865,820 : x
  2. Step 2: Convert to fraction form
    487,244,664/799,865,820 = 799,865,820/x
  3. Step 3: Cross multiply
    487,244,664x = 799,865,820 × 799,865,820
  4. Step 4: Simplify right side
    487,244,664x = 639,785,330,004,272,384
  5. Step 5: Solve for x
    x = 639,785,330,004,272,384/487,244,664
  6. Step 6: Final answer
    x = 1,313,067,904.64

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.