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Finding the Third Proportional to 201,397,490 and 310,992,959

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Solution

The third proportional to 201,397,490 and 310,992,959 is: 480,227,536.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,397,490 : 310,992,959 = 310,992,959 : x
  2. Step 2: Convert to fraction form
    201,397,490/310,992,959 = 310,992,959/x
  3. Step 3: Cross multiply
    201,397,490x = 310,992,959 × 310,992,959
  4. Step 4: Simplify right side
    201,397,490x = 96,716,620,547,575,680
  5. Step 5: Solve for x
    x = 96,716,620,547,575,680/201,397,490
  6. Step 6: Final answer
    x = 480,227,536.84

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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.