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Finding the Third Proportional to 369,679,512 and 528,605,142

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Solution

The third proportional to 369,679,512 and 528,605,142 is: 755,853,075.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,679,512 : 528,605,142 = 528,605,142 : x
  2. Step 2: Convert to fraction form
    369,679,512/528,605,142 = 528,605,142/x
  3. Step 3: Cross multiply
    369,679,512x = 528,605,142 × 528,605,142
  4. Step 4: Simplify right side
    369,679,512x = 279,423,396,148,840,160
  5. Step 5: Solve for x
    x = 279,423,396,148,840,160/369,679,512
  6. Step 6: Final answer
    x = 755,853,075.65

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.