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Finding the Third Proportional to 4,986,509.63 and 10,918,858.50

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Solution

The third proportional to 4,986,509.63 and 10,918,858.50 is: 23,908,801.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986,509.63 : 10,918,858.50 = 10,918,858.50 : x
  2. Step 2: Convert to fraction form
    4,986,509.63/10,918,858.50 = 10,918,858.50/x
  3. Step 3: Cross multiply
    4,986,509.63x = 10,918,858.50 × 10,918,858.50
  4. Step 4: Simplify right side
    4,986,509.63x = 119,221,470,943,022.25
  5. Step 5: Solve for x
    x = 119,221,470,943,022.25/4,986,509.63
  6. Step 6: Final answer
    x = 23,908,801.93

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.