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Finding the Third Proportional to 77,710,879.50 and 170,022,513

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Solution

The third proportional to 77,710,879.50 and 170,022,513 is: 371,989,805.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,710,879.50 : 170,022,513 = 170,022,513 : x
  2. Step 2: Convert to fraction form
    77,710,879.50/170,022,513 = 170,022,513/x
  3. Step 3: Cross multiply
    77,710,879.50x = 170,022,513 × 170,022,513
  4. Step 4: Simplify right side
    77,710,879.50x = 28,907,654,926,835,168
  5. Step 5: Solve for x
    x = 28,907,654,926,835,168/77,710,879.50
  6. Step 6: Final answer
    x = 371,989,805.20

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.