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Finding the Third Proportional to 155,433,570 and 335,079,690

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Solution

The third proportional to 155,433,570 and 335,079,690 is: 722,356,172.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,433,570 : 335,079,690 = 335,079,690 : x
  2. Step 2: Convert to fraction form
    155,433,570/335,079,690 = 335,079,690/x
  3. Step 3: Cross multiply
    155,433,570x = 335,079,690 × 335,079,690
  4. Step 4: Simplify right side
    155,433,570x = 112,278,398,650,496,096
  5. Step 5: Solve for x
    x = 112,278,398,650,496,096/155,433,570
  6. Step 6: Final answer
    x = 722,356,172.16

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.