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Finding the Third Proportional to 18,712,838.99 and 40,953,322.34

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Solution

The third proportional to 18,712,838.99 and 40,953,322.34 is: 89,626,946.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,712,838.99 : 40,953,322.34 = 40,953,322.34 : x
  2. Step 2: Convert to fraction form
    18,712,838.99/40,953,322.34 = 40,953,322.34/x
  3. Step 3: Cross multiply
    18,712,838.99x = 40,953,322.34 × 40,953,322.34
  4. Step 4: Simplify right side
    18,712,838.99x = 1,677,174,610,351,238.25
  5. Step 5: Solve for x
    x = 1,677,174,610,351,238.25/18,712,838.99
  6. Step 6: Final answer
    x = 89,626,946.04

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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.