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Finding the Third Proportional to 164,487,292.50 and 361,254,901.50

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Solution

The third proportional to 164,487,292.50 and 361,254,901.50 is: 793,405,386.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,487,292.50 : 361,254,901.50 = 361,254,901.50 : x
  2. Step 2: Convert to fraction form
    164,487,292.50/361,254,901.50 = 361,254,901.50/x
  3. Step 3: Cross multiply
    164,487,292.50x = 361,254,901.50 × 361,254,901.50
  4. Step 4: Simplify right side
    164,487,292.50x = 130,505,103,857,774,704
  5. Step 5: Solve for x
    x = 130,505,103,857,774,704/164,487,292.50
  6. Step 6: Final answer
    x = 793,405,386.36

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.