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Finding the Third Proportional to 9,966,256.88 and 21,314,515.50

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Solution

The third proportional to 9,966,256.88 and 21,314,515.50 is: 45,584,674.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,256.88 : 21,314,515.50 = 21,314,515.50 : x
  2. Step 2: Convert to fraction form
    9,966,256.88/21,314,515.50 = 21,314,515.50/x
  3. Step 3: Cross multiply
    9,966,256.88x = 21,314,515.50 × 21,314,515.50
  4. Step 4: Simplify right side
    9,966,256.88x = 454,308,570,999,740.25
  5. Step 5: Solve for x
    x = 454,308,570,999,740.25/9,966,256.88
  6. Step 6: Final answer
    x = 45,584,674.04

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.