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Finding the Third Proportional to 103,634,020 and 221,616,946

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Solution

The third proportional to 103,634,020 and 221,616,946 is: 473,918,417.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634,020 : 221,616,946 = 221,616,946 : x
  2. Step 2: Convert to fraction form
    103,634,020/221,616,946 = 221,616,946/x
  3. Step 3: Cross multiply
    103,634,020x = 221,616,946 × 221,616,946
  4. Step 4: Simplify right side
    103,634,020x = 49,114,070,754,366,912
  5. Step 5: Solve for x
    x = 49,114,070,754,366,912/103,634,020
  6. Step 6: Final answer
    x = 473,918,417.47

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.