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Finding the Third Proportional to 74,490,426 and 160,365,312

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Solution

The third proportional to 74,490,426 and 160,365,312 is: 345,239,444.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,490,426 : 160,365,312 = 160,365,312 : x
  2. Step 2: Convert to fraction form
    74,490,426/160,365,312 = 160,365,312/x
  3. Step 3: Cross multiply
    74,490,426x = 160,365,312 × 160,365,312
  4. Step 4: Simplify right side
    74,490,426x = 25,717,033,292,857,344
  5. Step 5: Solve for x
    x = 25,717,033,292,857,344/74,490,426
  6. Step 6: Final answer
    x = 345,239,444.50

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.