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Finding the Third Proportional to 372,842,640 and 578,894,040

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Solution

The third proportional to 372,842,640 and 578,894,040 is: 898,819,699.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,842,640 : 578,894,040 = 578,894,040 : x
  2. Step 2: Convert to fraction form
    372,842,640/578,894,040 = 578,894,040/x
  3. Step 3: Cross multiply
    372,842,640x = 578,894,040 × 578,894,040
  4. Step 4: Simplify right side
    372,842,640x = 335,118,309,547,521,600
  5. Step 5: Solve for x
    x = 335,118,309,547,521,600/372,842,640
  6. Step 6: Final answer
    x = 898,819,699.24

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.