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Finding the Third Proportional to 7,448,490 and 15,999,309

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Solution

The third proportional to 7,448,490 and 15,999,309 is: 34,366,413.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448,490 : 15,999,309 = 15,999,309 : x
  2. Step 2: Convert to fraction form
    7,448,490/15,999,309 = 15,999,309/x
  3. Step 3: Cross multiply
    7,448,490x = 15,999,309 × 15,999,309
  4. Step 4: Simplify right side
    7,448,490x = 255,977,888,477,481
  5. Step 5: Solve for x
    x = 255,977,888,477,481/7,448,490
  6. Step 6: Final answer
    x = 34,366,413.66

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.