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Finding the Third Proportional to 12,284,970.50 and 19,557,246.50

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Solution

The third proportional to 12,284,970.50 and 19,557,246.50 is: 31,134,457.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,284,970.50 : 19,557,246.50 = 19,557,246.50 : x
  2. Step 2: Convert to fraction form
    12,284,970.50/19,557,246.50 = 19,557,246.50/x
  3. Step 3: Cross multiply
    12,284,970.50x = 19,557,246.50 × 19,557,246.50
  4. Step 4: Simplify right side
    12,284,970.50x = 382,485,890,661,762.25
  5. Step 5: Solve for x
    x = 382,485,890,661,762.25/12,284,970.50
  6. Step 6: Final answer
    x = 31,134,457.40

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.