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Finding the Third Proportional to 18,506,502 and 40,101,786

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Solution

The third proportional to 18,506,502 and 40,101,786 is: 86,896,661.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506,502 : 40,101,786 = 40,101,786 : x
  2. Step 2: Convert to fraction form
    18,506,502/40,101,786 = 40,101,786/x
  3. Step 3: Cross multiply
    18,506,502x = 40,101,786 × 40,101,786
  4. Step 4: Simplify right side
    18,506,502x = 1,608,153,240,389,796
  5. Step 5: Solve for x
    x = 1,608,153,240,389,796/18,506,502
  6. Step 6: Final answer
    x = 86,896,661.53

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.