Home / 72,845,007.75-159,310,309.50

Finding the Third Proportional to 72,845,007.75 and 159,310,309.50

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Solution

The third proportional to 72,845,007.75 and 159,310,309.50 is: 348,407,879.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,845,007.75 : 159,310,309.50 = 159,310,309.50 : x
  2. Step 2: Convert to fraction form
    72,845,007.75/159,310,309.50 = 159,310,309.50/x
  3. Step 3: Cross multiply
    72,845,007.75x = 159,310,309.50 × 159,310,309.50
  4. Step 4: Simplify right side
    72,845,007.75x = 25,379,774,712,985,792
  5. Step 5: Solve for x
    x = 25,379,774,712,985,792/72,845,007.75
  6. Step 6: Final answer
    x = 348,407,879.92

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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.