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Finding the Third Proportional to 489,780,679.50 and 1,065,650,967

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Solution

The third proportional to 489,780,679.50 and 1,065,650,967 is: 2,318,613,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,780,679.50 : 1,065,650,967 = 1,065,650,967 : x
  2. Step 2: Convert to fraction form
    489,780,679.50/1,065,650,967 = 1,065,650,967/x
  3. Step 3: Cross multiply
    489,780,679.50x = 1,065,650,967 × 1,065,650,967
  4. Step 4: Simplify right side
    489,780,679.50x = 1,135,611,983,468,035,072
  5. Step 5: Solve for x
    x = 1,135,611,983,468,035,072/489,780,679.50
  6. Step 6: Final answer
    x = 2,318,613,271.20

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.