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Finding the Third Proportional to 69,242,480 and 149,975,276

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Solution

The third proportional to 69,242,480 and 149,975,276 is: 324,837,923.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,242,480 : 149,975,276 = 149,975,276 : x
  2. Step 2: Convert to fraction form
    69,242,480/149,975,276 = 149,975,276/x
  3. Step 3: Cross multiply
    69,242,480x = 149,975,276 × 149,975,276
  4. Step 4: Simplify right side
    69,242,480x = 22,492,583,411,276,176
  5. Step 5: Solve for x
    x = 22,492,583,411,276,176/69,242,480
  6. Step 6: Final answer
    x = 324,837,923.36

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.