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Finding the Third Proportional to 68,298,801.75 and 149,079,055.50

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Solution

The third proportional to 68,298,801.75 and 149,079,055.50 is: 325,401,972.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,298,801.75 : 149,079,055.50 = 149,079,055.50 : x
  2. Step 2: Convert to fraction form
    68,298,801.75/149,079,055.50 = 149,079,055.50/x
  3. Step 3: Cross multiply
    68,298,801.75x = 149,079,055.50 × 149,079,055.50
  4. Step 4: Simplify right side
    68,298,801.75x = 22,224,564,788,772,080
  5. Step 5: Solve for x
    x = 22,224,564,788,772,080/68,298,801.75
  6. Step 6: Final answer
    x = 325,401,972.21

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.