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Finding the Third Proportional to 200,502,080 and 319,038,220

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Solution

The third proportional to 200,502,080 and 319,038,220 is: 507,652,518.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,502,080 : 319,038,220 = 319,038,220 : x
  2. Step 2: Convert to fraction form
    200,502,080/319,038,220 = 319,038,220/x
  3. Step 3: Cross multiply
    200,502,080x = 319,038,220 × 319,038,220
  4. Step 4: Simplify right side
    200,502,080x = 101,785,385,820,768,400
  5. Step 5: Solve for x
    x = 101,785,385,820,768,400/200,502,080
  6. Step 6: Final answer
    x = 507,652,518.22

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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.