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Finding the Third Proportional to 158,879,709 and 342,840,411

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Solution

The third proportional to 158,879,709 and 342,840,411 is: 739,802,131.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,879,709 : 342,840,411 = 342,840,411 : x
  2. Step 2: Convert to fraction form
    158,879,709/342,840,411 = 342,840,411/x
  3. Step 3: Cross multiply
    158,879,709x = 342,840,411 × 342,840,411
  4. Step 4: Simplify right side
    158,879,709x = 117,539,547,414,648,928
  5. Step 5: Solve for x
    x = 117,539,547,414,648,928/158,879,709
  6. Step 6: Final answer
    x = 739,802,131.78

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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.