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Finding the Third Proportional to 9,722,688 and 21,239,259.75

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Solution

The third proportional to 9,722,688 and 21,239,259.75 is: 46,397,267.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,722,688 : 21,239,259.75 = 21,239,259.75 : x
  2. Step 2: Convert to fraction form
    9,722,688/21,239,259.75 = 21,239,259.75/x
  3. Step 3: Cross multiply
    9,722,688x = 21,239,259.75 × 21,239,259.75
  4. Step 4: Simplify right side
    9,722,688x = 451,106,154,727,970.06
  5. Step 5: Solve for x
    x = 451,106,154,727,970.06/9,722,688
  6. Step 6: Final answer
    x = 46,397,267.37

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.