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Finding the Third Proportional to 172,831,009.50 and 252,684,974.25

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Solution

The third proportional to 172,831,009.50 and 252,684,974.25 is: 369,434,260.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,831,009.50 : 252,684,974.25 = 252,684,974.25 : x
  2. Step 2: Convert to fraction form
    172,831,009.50/252,684,974.25 = 252,684,974.25/x
  3. Step 3: Cross multiply
    172,831,009.50x = 252,684,974.25 × 252,684,974.25
  4. Step 4: Simplify right side
    172,831,009.50x = 63,849,696,211,723,160
  5. Step 5: Solve for x
    x = 63,849,696,211,723,160/172,831,009.50
  6. Step 6: Final answer
    x = 369,434,260.65

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.