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Finding the Third Proportional to 153,242,390.25 and 340,497,004.50

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Solution

The third proportional to 153,242,390.25 and 340,497,004.50 is: 756,567,486.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,242,390.25 : 340,497,004.50 = 340,497,004.50 : x
  2. Step 2: Convert to fraction form
    153,242,390.25/340,497,004.50 = 340,497,004.50/x
  3. Step 3: Cross multiply
    153,242,390.25x = 340,497,004.50 × 340,497,004.50
  4. Step 4: Simplify right side
    153,242,390.25x = 115,938,210,073,473,024
  5. Step 5: Solve for x
    x = 115,938,210,073,473,024/153,242,390.25
  6. Step 6: Final answer
    x = 756,567,486.87

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.