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Finding the Third Proportional to 155,287,722 and 243,579,522

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Solution

The third proportional to 155,287,722 and 243,579,522 is: 382,071,311.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,287,722 : 243,579,522 = 243,579,522 : x
  2. Step 2: Convert to fraction form
    155,287,722/243,579,522 = 243,579,522/x
  3. Step 3: Cross multiply
    155,287,722x = 243,579,522 × 243,579,522
  4. Step 4: Simplify right side
    155,287,722x = 59,330,983,537,748,480
  5. Step 5: Solve for x
    x = 59,330,983,537,748,480/155,287,722
  6. Step 6: Final answer
    x = 382,071,311.07

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.