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Finding the Third Proportional to 200,502,075 and 319,038,209

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Solution

The third proportional to 200,502,075 and 319,038,209 is: 507,652,495.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,502,075 : 319,038,209 = 319,038,209 : x
  2. Step 2: Convert to fraction form
    200,502,075/319,038,209 = 319,038,209/x
  3. Step 3: Cross multiply
    200,502,075x = 319,038,209 × 319,038,209
  4. Step 4: Simplify right side
    200,502,075x = 101,785,378,801,927,680
  5. Step 5: Solve for x
    x = 101,785,378,801,927,680/200,502,075
  6. Step 6: Final answer
    x = 507,652,495.88

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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.