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Finding the Third Proportional to 69,068,504 and 148,588,681

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Solution

The third proportional to 69,068,504 and 148,588,681 is: 319,662,289.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,068,504 : 148,588,681 = 148,588,681 : x
  2. Step 2: Convert to fraction form
    69,068,504/148,588,681 = 148,588,681/x
  3. Step 3: Cross multiply
    69,068,504x = 148,588,681 × 148,588,681
  4. Step 4: Simplify right side
    69,068,504x = 22,078,596,121,319,760
  5. Step 5: Solve for x
    x = 22,078,596,121,319,760/69,068,504
  6. Step 6: Final answer
    x = 319,662,289.50

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.