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Finding the Third Proportional to 612,817,887 and 917,055,580.50

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Solution

The third proportional to 612,817,887 and 917,055,580.50 is: 1,372,334,188.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,817,887 : 917,055,580.50 = 917,055,580.50 : x
  2. Step 2: Convert to fraction form
    612,817,887/917,055,580.50 = 917,055,580.50/x
  3. Step 3: Cross multiply
    612,817,887x = 917,055,580.50 × 917,055,580.50
  4. Step 4: Simplify right side
    612,817,887x = 840,990,937,726,192,000
  5. Step 5: Solve for x
    x = 840,990,937,726,192,000/612,817,887
  6. Step 6: Final answer
    x = 1,372,334,188.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.