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Finding the Third Proportional to 18,389,264.63 and 39,020,069.25

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Solution

The third proportional to 18,389,264.63 and 39,020,069.25 is: 82,796,448.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389,264.63 : 39,020,069.25 = 39,020,069.25 : x
  2. Step 2: Convert to fraction form
    18,389,264.63/39,020,069.25 = 39,020,069.25/x
  3. Step 3: Cross multiply
    18,389,264.63x = 39,020,069.25 × 39,020,069.25
  4. Step 4: Simplify right side
    18,389,264.63x = 1,522,565,804,274,795.50
  5. Step 5: Solve for x
    x = 1,522,565,804,274,795.50/18,389,264.63
  6. Step 6: Final answer
    x = 82,796,448.65

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.